vue usage in the $ event - get the current parent element, child elements, siblings

<button @click = “clickfun($event)”>点击</button>
 
methods: {
clickfun (e) {
// e.target you click on the current element
// e.currentTarget is an element you bind event
    # Get the previous element Click element
    e.currentTarget.previousElementSibling.innerHTML
    # Clicks to get the first child element
    e.currentTarget.firstElementChild
    # Get the next element Click element
    e.currentTarget.nextElementSibling
    # Clicked element id of the element string
    e.currentTarget.getElementById("string")
    # Clicks to get string attribute element
    e.currentTarget.getAttributeNode('string')
    # Clicks elements parent element
    e.currentTarget.parentElement
    HTML value # to get the previous element Click the element's first child element of
    e.currentTarget.previousElementSibling.firstElementChild.innerHTML
 
    }
        },